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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC

Accepted Name
C5a peptidase.
Alternative Name(s)
Streptococcal C5a peptidase.
Reaction catalysed
The primary cleavage site is at 67-His-|-Lys-68 in human C5a with a minor secondary cleavage site at 58-Ala-|-Ser-59
  • Surface-associated subtilisin-like serine peptidase with very specific substrate specificity.
  • Virulent strains of streptococci, including Streptococcus pyogenes, can evade human detection and phagocytosis by destroying the complement chemotaxin C5a.
  • Cleavage of human C5a by this enzyme reduces the ability of C5a to bind receptors on the surface of polymorphonuclear neutrophil leukocytes (PMNLs) and thereby abolishes its chemotactic properties.
  • Belongs to peptidase family S8A.
PRIAM enzyme-specific profiles3.4.21.110
KEGG Ligand Database for Enzyme Nomenclature3.4.21.110
IUBMB Enzyme Nomenclature3.4.21.110
MEDLINEFind literature relating to
P58099, C5AP_STRP1;  P0DD34, C5AP_STRP3;  Q5X9R0, C5AP_STRP6;  
Q8NZ80, C5AP_STRP8;  P0DD35, C5AP_STRPQ;  P15926, C5AP_STRPY;  

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